You can get virtual server for $4/month. Installing proprietary software and registering to some service, that may "upgrade" to premium tier anytime, is pretty off-putting.
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Cost of my time for reading contract and learning new proprietary tool is not worth it for several years.
Cloudflare is arguably better from big tech. But cost of deployment some binary package on confidential server, keeping up with their marketing bs, etc is simply not worth it.